public void run(){

}
private void startProgram(){
	if(frontIsClear()){
    	while(frontIsClear()){
        	startFromLeft();
        	refresh();
			turnLeft();
			if(frontIsClear()){
				move();
				startFromRight();
				turnRight();
			}
    	}
	}else{
		turnLeft();
		putBeeper();
		while(frontIsClear()){
			for(int i = 0; i < 2; i++){
				if(frontIsClear()) move();
			}
		}
	}
}
private void startFromRight(){
	while(frontIsClear()){
		move();
		putBeeper();
		if(frontIsClear()) move();
	}
}
private void refresh(){
        turnAround();
		if(frontIsClear()){
        	move();
        	if(beepersPresent()){
            	turnAround();
            	move();
            	pickBeeper();
        	}else{
            	turnAround();
            	move();
        	}
		}else turnAround();
}
private void startFromLeft(){
    if(!beepersPresent){
        putBeeper();
    }
    while(frontIsClear()){
        for(int i = 0; i < 2; i++){
            if(frontIsClear) move();
        }
        putBeeper();
    }
}